Williams 2903512 Furnace User Manual


 
Programmable Timer
The programmable timer allows precise operating and timing control and is standard on this furnace. (Figure 10)
Overview
The programmable timer has the following features:
Long life lithium battery
Daily and weekly programs
One minute minimum switching time
Quick progression
Sixteen programs (8 on and 8 off)
Days of the week and hours of the day selection
Programmable day blocks: 1-2-3-4-5 (Monday – Friday)
1-2-3-4-5-6 (Monday – Saturday)
1-2-3-4-5-6-7 (Monday – Sunday)
6-7 (Saturday – Sunday)
Figure 10
KEY
A On/Off Switch Pos. I The appliance is controlled by the room thermostat
Pos. AUTO The appliance is controlled by both the timer and the room thermostat
Pos. O The appliance is turned off
Pos.
B Setting / Regulator Switch
Time setting
Pos. RUN Normal operating mode (the display shows the current time)
Pos.
Ê Setting of programming
C Program Selection
D Day Selection
E Hours Setting
F Minutes Setting
G SKIP Button
R Reset Button
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